text: //===----------------------------------------------------------------------===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  
  #ifndef _LIBCPP___ALGORITHM_RANGES_MINMAX_ELEMENT_H
  #define _LIBCPP___ALGORITHM_RANGES_MINMAX_ELEMENT_H
  
  #include <__algorithm/min_max_result.h>
  #include <__algorithm/minmax_element.h>
  #include <__config>
  #include <__functional/identity.h>
  #include <__functional/invoke.h>
  #include <__functional/ranges_operations.h>
  #include <__iterator/concepts.h>
  #include <__iterator/projected.h>
  #include <__ranges/access.h>
  #include <__ranges/concepts.h>
  #include <__ranges/dangling.h>
  #include <__utility/forward.h>
  #include <__utility/move.h>
  #include <__utility/pair.h>
  #include <type_traits>
  
  #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  #  pragma GCC system_header
  #endif
  
  #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
  
  _LIBCPP_BEGIN_NAMESPACE_STD
  
  namespace ranges {
  
  template <class _T1>
  using minmax_element_result = min_max_result<_T1>;
  
  namespace __minmax_element {
  struct __fn {
    template <forward_iterator _Ip, sentinel_for<_Ip> _Sp, class _Proj = identity,
              indirect_strict_weak_order<projected<_Ip, _Proj>> _Comp = ranges::less>
    _LIBCPP_HIDE_FROM_ABI constexpr
    ranges::minmax_element_result<_Ip> operator()(_Ip __first, _Sp __last, _Comp __comp = {}, _Proj __proj = {}) const {
      auto __ret = std::__minmax_element_impl(std::move(__first), std::move(__last), __comp, __proj);
      return {__ret.first, __ret.second};
    }
  
    template <forward_range _Rp, class _Proj = identity,
              indirect_strict_weak_order<projected<iterator_t<_Rp>, _Proj>> _Comp = ranges::less>
    _LIBCPP_HIDE_FROM_ABI constexpr
    ranges::minmax_element_result<borrowed_iterator_t<_Rp>>
    operator()(_Rp&& __r, _Comp __comp = {}, _Proj __proj = {}) const {
      auto __ret = std::__minmax_element_impl(ranges::begin(__r), ranges::end(__r), __comp, __proj);
      return {__ret.first, __ret.second};
    }
  };
  } // namespace __minmax_element
  
  inline namespace __cpo {
    inline constexpr auto minmax_element = __minmax_element::__fn{};
  } // namespace __cpo
  
  } // namespace ranges
  
  _LIBCPP_END_NAMESPACE_STD
  
  #endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
  
  #endif // _LIBCPP___ALGORITHM_RANGES_MINMAX_H
  